Tropical Storm Aletta (1974)

Track map & timeline · Eastern Pacific · May 28–30, 1974

Peak wind
58 mph
93 km/h · May 28
Peak category
TS
Lowest pressure
992 mb
Landfalls
—
none
Lifetime
2.0 d
May 28 – May 30
Distance
547 mi
879 km
ACE
1.4
storm energy

TD TS Cat 1 2 3 4 5 · dashed = post-tropical / remnant low. Click any point or table row to jump there.

01 · The story

What happened with Aletta

Tropical Storm Aletta (1974) was a tropical storm of the 1974 Eastern Pacific season. It formed on May 28, 1974, 197 mi SSW of Acapulco de Juárez, Guerrero, Mexico, reached its peak of 58 mph (93 km/h) and a minimum pressure of 992 mb on May 28, 1974, and never made landfall. The storm lasted 2.0 days and travelled about 547 miles (879 km).

02 · Intensity

Wind and pressure, hour by hour

Maximum sustained wind (mph) — hover or drag to scrub the map

03 · Impact

Cities in the path

Closest approach to major cities

CityDistance to centerWhen (UTC)Storm strength then
Zapopan, Jalisco, Mexico53 miMay 30 · 00:00 UTCTD 29 mph
Guadalajara, Jalisco, Mexico49 miMay 30 · 00:00 UTCTD 29 mph
Tlaquepaque, Jalisco, Mexico46 miMay 30 · 00:00 UTCTD 29 mph
Tonalá, Jalisco, Mexico44 miMay 30 · 00:00 UTCTD 29 mph

Distance from the city to the storm’s center, interpolated hourly between official fixes. Damaging winds, surge and rain reach far beyond the center.

04 · Timeline

Every official fix 9 positions

Date · UTCStatusWindPressurePositionNearest place
May 28 00:00TS 40 mph—14.2°N 101.0°Wopen ocean
May 28 06:00TS 40 mph—14.7°N 102.1°Wopen ocean
May 28 12:00TS 46 mph992 mb15.3°N 103.0°Wopen ocean
May 28 18:00TS 58 mph—15.9°N 103.8°W178 mi SW of Ciudad Lázaro Cárdenas, Michoacán, Mexico
May 29 00:00TS 58 mph—16.8°N 104.4°W150 mi SSW of Tecomán, Colima, Mexico
May 29 06:00TS 58 mph—18.0°N 104.4°W72 mi SSW of Tecomán, Colima, Mexico
May 29 12:00TS 58 mph—19.1°N 104.0°W15 mi NNW of Tecomán, Colima, Mexico
May 29 18:00TD extratropical29 mph—19.7°N 103.6°Wnear Ciudad Guzmán, Jalisco, Mexico
May 30 00:00TD extratropical29 mph—20.0°N 103.1°W12 mi SSW of Tizapán el Alto, Jalisco, Mexico

⬇ Download track data (CSV) · public-domain NOAA best track

Questions

Frequently asked questions

Did Aletta make landfall?

No — the NOAA best-track record shows no landfall for Aletta. Its closest approach to a major city was 44 miles from Tonalá, Jalisco, Mexico.

What category was Aletta?

At its peak on May 28, 1974, Aletta was a tropical storm with maximum sustained winds of 58 mph (93 km/h) and a central pressure of 992 mb.

How long did Aletta last?

2.0 days, from May 28, 1974 to May 30, 1974. It travelled about 547 miles.

Where can I download the track data for Aletta?

The 6-hourly positions, winds, pressure and wind radii are available as CSV on this page (track.csv) — they come from the NOAA National Hurricane Center's HURDAT2 database and are in the public domain.

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